Woodwork for secondary schools; a text-book for high schools and colleges, prevocational and elementary industrial schools (1916)
Griffith, Ira Samuel, 1874-1924 · Peoria, Ill., Manual Arts Press · leaf 141
ops cutting. The mechanismis such that the carriage reverses its direction auto- 136 WOODWORK FOR SECONDARY SCHOOLS. KniFsE Holder. matically at th« end of each stroke. The machine will grind either straight or hollow edge. The knife shonld be set and the holder adjusted so as ■to secure the angle… … Hand Feed Fig. 216. Automatic Holding andFeeding Device. wheel is cup-shaped and has a spindle speed of 1,500 R.P. M. The speed of the feed to the knife frame carriageis 23^ feet per minute, approximately. 131. The Grindstone.—A good grindstone, Fig. 218,should be a part of every shop where…
Woodwork (Manual training)
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